Facts and Myths about Irrigation Water≈ Mirat D. GurolThis article outlines typical water quality problems faced by nursery owners, and reviews different types of water treatment technologies available to solve them.

Fluoride in Drinking Water and Fluorosis≈ V.K. Garg and B. SinghThis paper reviews the impact on human health of the fluoride content in groundwater, and oulines approaches to prevent excessive fluoride ingestion.

Geochemical Engineering: Natural Solutions for Environmental Problems≈ R.D. Schuiling and J.J.P. ZijlstraGeochemical engineers develop cost-effective methods to remediate pollution in the natural environment. They are inspired by nature and use the knowledge of geochemists about the geochemical cycle and the interaction between minerals and chemical compounds in solution.

Grid Interactive Inverter Anti-Islanding etc≈ Tim HarlandAn inverter using the frequency drift approach to anti-islanding has to continually try to pull the frequency in the chosen direction, and in doing so it appears to the grid to have either a leading or lagging reactance.

I Give You The Next Microsoft… And You Can Charge It!≈ Joseph E. Witzman and Joanne M. RodriguezFocus on small-cap, emerging companies with the potential of not only financial success, but also the ability to produce goods and services which will "make a positive contribution to our world."